| 2003 in WEC | ||||
|---|---|---|---|---|
 | ||||
| Information | ||||
| First date | March 27, 2003 | |||
| Last date | October 17, 2003 | |||
| Events | ||||
| Total events | 3 | |||
| Fights | ||||
| Total fights | 40 | |||
| Title fights | 5 | |||
| Chronology | ||||
| ||||
The year 2003 was the 3rd year in the history of World Extreme Cagefighting, a mixed martial arts promotion based in the United States. In 2003 WEC held 3 events beginning with, WEC 6: Return of a Legend.